(19)

(11)

EP 2 675 818 A1

(12)

(43) Date of publication: 25.12.2013 Bulletin 2013/52 (21) Application number: 12705455.9 (22) Date of filing: 14.02.2012

(51) International Patent Classification (IPC):  C07F 11/00(2006.01) (86) International application number: PCT/IB2012/050667 (87) International publication number: WO 2012/110951 (23.08.2012 Gazette 2012/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.02.2011 EP 11154461 (71) Applicant: Universite De Geneve 1211 Genève 4 (CH)	(72) Inventors: HAUSER, Andreas CH-3018 Bern (CH) PIGUET, Claude CH-1228 Plan-les-Ouates (CH) (74) Representative: Ganguillet, Cyril  ABREMA Agence Brevets & Marques Ganguillet Avenue du Théâtre 16 P.O. Box 5027 1002 Lausanne 1002 Lausanne (CH)